Physics

Physics

Problem

The coefficient of static friction between a wooden block and an inclined wooden plank is 0.400.40. Calculate the minimum angle (to the horizontal) at which the block will just start sliding down the plank. a) 26.6∘26.6^\circ b) 21.8∘21.8^\circ c) 38.7∘38.7^\circ d) 23.8∘23.8^\circ

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